SPYM vs. DIA

Last updated Aug 2, 2026

SPYM (State Street SPDR Portfolio S&P 500 ETF) and DIA (State Street SPDR Dow Jones Industrial Average ETF Trust) are both exchange-traded funds - SPYM is a S&P 500 fund tracking the S&P 500 Index, while DIA is a Large Cap Blend Equities fund tracking the Dow Jones Industrial Average. Both are passively managed. Over the past 10 years, SPYM returned 15.15%/yr vs 13.26%/yr for DIA. Their 0.80 correlation means they have sometimes moved together and sometimes differently. SPYM charges 0.02%/yr vs 0.16%/yr for DIA.

Performance

SPYM vs. DIA - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in State Street SPDR Portfolio S&P 500 ETF (SPYM) and State Street SPDR Dow Jones Industrial Average ETF Trust (DIA). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

The year-to-date returns for both stocks are quite close, with SPYM having a 10.15% return and DIA slightly lower at 9.95%. Over the past 10 years, SPYM has outperformed DIA with an annualized return of 15.15%, while DIA has yielded a comparatively lower 13.26% annualized return.

SPYM

• 1D: 0.68%
• 1M: 0.26%
• 6M: 8.55%
• YTD: 10.15%
• 1Y: 21.52%
• 3Y*: 19.39%
• 5Y*: 12.82%
• 10Y*: 15.15%
• ALL TIME*: 11.17%

DIA

• 1D: 0.54%
• 1M: -0.65%
• 6M: 8.01%
• YTD: 9.95%
• 1Y: 22.15%
• 3Y*: 15.63%
• 5Y*: 10.36%
• 10Y*: 13.26%
• ALL TIME*: 9.17%

*Multi-year figures are annualized to reflect compound growth (CAGR)

Liquidity Comparison

Position	Avg. Volume Value (2W)	Avg. Volume Value (1M)	Avg. Volume Value (3M)
DIA State Street SPDR Dow Jones Industrial Average ETF Trust	$2.05B	$1.95B	$2.38B
SPYM State Street SPDR Portfolio S&P 500 ETF	$811.10M	$977.30M	$1.09B

SPYM vs. DIA - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
SPYM State Street SPDR Portfolio S&P 500 ETF	10.15%	17.79%	25.00%	26.24%	-18.09%	28.78%	18.49%	31.99%	-4.78%	21.30%
DIA State Street SPDR Dow Jones Industrial Average ETF Trust	9.95%	14.71%	14.82%	16.02%	-7.02%	20.83%	9.59%	24.70%	-3.74%	28.08%

Correlation

The correlation between SPYM and DIA is 0.80, meaning they have usually moved in the same direction, including during past declines.

	Correlation
Correlation (1Y) Focuses on recent behavior, but can change the most.	0.80
Correlation (3Y) Balances recent behavior with more history.	0.82
Correlation (5Y) Shows whether the relationship held over a longer period.	0.87
Correlation (10Y) Provides a long-term view across more market conditions.	0.88
Correlation (All Time) Calculated using the full available price history since Nov 15, 2005	0.80

The correlation between SPYM and DIA has been stable across timeframes, ranging from 0.80 to 0.88 - a consistent structural relationship.

SPYM vs. DIA - Sectors Allocation Comparison

Sectors	SPYM	DIA
Technology	38.5%	16.1%
Financial Services	11.6%	26.7%
Communication Services	9.9%	5.2%
Consumer Cyclical	9.5%	10.3%
Healthcare	8.9%	13.2%
Industrials	8.4%	18.9%
Consumer Defensive	4.5%	3.9%
Energy	3.0%	1.9%
Utilities	2.2%	-
Real Estate	1.8%	-
Basic Materials	1.7%	3.9%

Return for Risk

SPYM vs. DIA — Risk / Return Rank

Compare historical risk-adjusted metric ranks over the past 12 months.

SPYM

SPYM Risk / Return Rank: 68
SPYM Sharpe Ratio Rank: 68
SPYM Sortino Ratio Rank: 65
SPYM Omega Ratio Rank: 66
SPYM Calmar Ratio Rank: 64
SPYM Martin Ratio Rank: 76

DIA

DIA Risk / Return Rank: 70
DIA Sharpe Ratio Rank: 74
DIA Sortino Ratio Rank: 75
DIA Omega Ratio Rank: 72
DIA Calmar Ratio Rank: 61
DIA Martin Ratio Rank: 68

The rank (0–100) uses a weighted average of the Sharpe, Sortino, Omega, Calmar, and Martin percentile ranks for the trailing 12 months. Higher means stronger historical risk-adjusted performance within the peer group.

SPYM vs. DIA - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for State Street SPDR Portfolio S&P 500 ETF (SPYM) and State Street SPDR Dow Jones Industrial Average ETF Trust (DIA). Risk-adjusted metrics are performance indicators that assess an investment's returns in relation to its risk, enabling a more accurate comparison of different investment options.

Values are calculated on a 1-year rolling basis and updated daily. Risk-adjusted metrics are more stable over longer periods — use the period switch above to explore them.

	SPYM	DIA	Difference
Sharpe ratio: Return per unit of total volatility	1.53	1.66	-0.12
Sortino ratio: Return per unit of downside risk	2.14	2.39	-0.26
Omega ratio: Gain probability vs. loss probability	1.28	1.30	-0.02
Calmar ratio: Return relative to maximum drawdown	2.21	2.12	+0.09
Martin ratio: Return relative to average drawdown	9.43	8.21	+1.23

SPYM vs. DIA - Sharpe Ratio Comparison

The current SPYM Sharpe Ratio is 1.53, which is comparable to the DIA Sharpe Ratio of 1.66. The chart below compares the historical Sharpe Ratios of SPYM and DIA, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

Drawdowns

SPYM vs. DIA - Drawdown Comparison

The maximum SPYM drawdown since its inception was -54.46%, roughly equal to the maximum DIA drawdown of -51.87%. Use the drawdown chart below to compare losses from any high point for SPYM and DIA.

Drawdown Indicators

	SPYM	DIA	Difference
Max Drawdown Largest peak-to-trough decline	-54.46%	-51.87%	-2.59%
Max Drawdown (1Y) Largest decline over 1 year	-8.90%	-9.76%	+0.86%
Max Drawdown (3Y) Largest decline over 3 years	-18.72%	-15.95%	-2.77%
Max Drawdown (5Y) Largest decline over 5 years	-24.48%	-20.76%	-3.72%
Max Drawdown (10Y) Largest decline over 10 years	-33.87%	-36.70%	+2.83%
Current Drawdown Current decline from peak	-1.41%	-1.06%	-0.35%
Average Drawdown Average peak-to-trough decline	-7.11%	-7.11%	0.00%
Ulcer Index Depth and duration of drawdowns from previous peaks	2.08%	2.52%	-0.44%

Volatility

SPYM vs. DIA - Volatility Comparison

The current volatility for State Street SPDR Portfolio S&P 500 ETF (SPYM) is 3.48%, while State Street SPDR Dow Jones Industrial Average ETF Trust (DIA) has a volatility of 3.74%. This indicates that SPYM experiences smaller price fluctuations and is considered to be less risky than DIA based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	SPYM	DIA	Difference
Volatility (1M) Calculated over the trailing 1-month period	3.48%	3.74%	-0.26%
Volatility (6M) Calculated over the trailing 6-month period	10.09%	9.82%	+0.27%
Volatility (1Y) Calculated over the trailing 1-year period	12.83%	12.52%	+0.31%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	16.92%	14.83%	+2.09%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	18.01%	17.53%	+0.48%

SPYM vs. DIA - Expense Ratio Comparison

SPYM has a 0.02% expense ratio, which is lower than DIA's 0.16% expense ratio. Despite the difference, both funds are considered low-cost compared to the broader market, where average expense ratios usually range from 0.3% to 0.9%.

Dividends

SPYM vs. DIA - Dividend Comparison

SPYM's dividend yield for the trailing twelve months is around 1.03%, less than DIA's 1.37% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
DIA State Street SPDR Dow Jones Industrial Average ETF Trust	1.37%	1.43%	1.61%	1.81%	1.91%	1.58%	1.87%	1.85%	2.24%	1.97%	2.26%	2.33%
SPYM State Street SPDR Portfolio S&P 500 ETF	1.03%	1.13%	1.28%	1.44%	1.69%	1.25%	1.54%	1.79%	2.23%	1.75%	1.97%	1.98%

Frequently Asked Questions

Can I hold both SPYM and DIA in my portfolio?

SPYM and DIA have a correlation of 0.80, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, SPYM or DIA?

DIA has higher volatility (3.74%) compared to SPYM (3.48%). In terms of maximum drawdown, SPYM dropped -54.46% vs DIA's -51.87%.

Which ETF is better, SPYM or DIA?

On 10-year performance, SPYM leads with 15.15% vs 13.26% for DIA. On fees, SPYM is cheaper at 0.02% per year. On volatility, SPYM has been the lower-risk option at 3.48%. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, SPYM or DIA?

Over the 10-year period, SPYM has performed better with a 15.15% return vs 13.26%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, SPYM or DIA?

SPYM is cheaper with a 0.02% expense ratio, compared with 0.16% for DIA.

Which ETF pays a higher dividend yield, SPYM or DIA?

DIA has the higher dividend yield at 1.37%, compared with 1.03% for SPYM.

What is the main difference between SPYM and DIA?

SPYM is categorized as S&P 500, while DIA is Large Cap Blend Equities. SPYM tracks S&P 500 Index, while DIA tracks Dow Jones Industrial Average. Their fees differ too: 0.02% for SPYM and 0.16% for DIA.

Which has better risk-adjusted returns?

DIA currently has the higher Sharpe Ratio (1.66 vs 1.53), meaning it's delivered slightly more return per unit of risk over the trailing 12 months. However, this ranking shifts over time - use the Risk/Return Score above for a more comprehensive view that combines Sharpe, Sortino, and other measures used by quantitative funds.